垂直对齐Div

Question

我试图在我的代码中垂直对齐div但没有成功.这个div包含子div.第一个

我希望这看起来像这样:

但目前它没有对齐.这是我的HTML代码:

body {
  display: block;
  margin-left: auto;
  margin-right: auto;
  background: #f1f1f1;
}
.content {
  float: left;
  margin: 20px auto;
  text-align: center;
  width: 300px;
}
.content h1 {
  text-transform: uppercase;
  font-weight: 700;
  margin: 0 0 40px 0;
  font-size: 25px;
  line-height: 30px;
}
.circle {
  width: 100px;
  height: 100px;
  line-height: 100px;
  border-radius: 50%;
  /* the magic */
  -moz-border-radius: 50%;
  -webkit-border-radius: 50%;
  text-align: center;
  color: white;
  font-size: 16px;
  text-transform: uppercase;
  font-weight: 700;
  margin: 0 auto 20px;
}
.blue {
  background-color: #052D72;
}
.green {
  background-color: #16a085;
}
.red {
  background-color: #e74c3c;
}

<div class="content">
  <div class="circle blue"></div>
</div>
<div class="content">
  <div class="circle blue">Blue</div>
  <div class="circle blue"></div>
  <div class="circle blue"></div>
  <div class="circle blue"></div>
</div>
<div class="content">
  <div class="circle blue"></div>
  <div class="circle blue"></div>
</div>

所以,在.content我尝试添加这个:

vertical-align:baseline;

但我没有看到任何区别.

Answer 1

添加display:inline-block和删除float的#content

.content {
    display: inline-block;
    margin: 20px auto;
    text-align: center;
    vertical-align: middle;
    width: 200px;
}

https://jsfiddle.net/k0fx384a/1/

用课程编辑:https://jsfiddle.net/k0fx384a/2/